Home / 188,607.40-260,281.38-108,041.96

Finding the Fourth Proportional to 188,607.40, 260,281.38 and 108,041.96

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Solution

The fourth proportional to 188,607.40, 260,281.38 and 108,041.96 is: 149,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,607.40 : 260,281.38 = 108,041.96 : x
  2. Step 2: Convert to fraction form
    188,607.40/260,281.38 = 108,041.96/x
  3. Step 3: Cross multiply
    188,607.40x = 260,281.38 × 108,041.96
  4. Step 4: Simplify right side
    188,607.40x = 28,121,310,446.70
  5. Step 5: Solve for x
    x = 28,121,310,446.70/188,607.40
  6. Step 6: Final answer
    x = 149,099.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.